SparkFun Sound Detector SEN-12642 Module - Analog/Digital/Audio Outputs, Breadboard Compatible
The SparkFun Sound Detector SEN-12642 is a versatile audio sensing module providing simultaneous analog envelope, digital gate, and raw audio outputs, compatible with 3.3V/5V microcontrollers like Arduino, Raspberry Pi, and ESP32 for sound amplitude and presence detection.
Features
- Provides three simultaneous outputs: analog envelope, digital gate, and raw audio signal.
- Wide operating voltage range from 3.5V to 5.5V DC with low 100µA quiescent current.
- Features an adjustable amplifier with up to 40dB gain via a through-hole resistor.
- Standard 0.1″ pin header spacing for direct breadboard and prototype board compatibility.
- Compact board design for easy integration into audio monitoring and trigger projects.
Out of stock
The SparkFun Sound Detector SEN-12642 is a compact, integrated audio sensing solution designed to simplify sound detection and analysis in electronic projects. It incorporates a microphone, pre-amplifier, and conditioning circuitry to deliver three independent signal outputs simultaneously: a raw audio signal, an analog envelope representing sound amplitude, and a digital gate output that toggles when sound exceeds a user-adjustable threshold. This multi-output architecture provides flexibility for applications ranging from simple sound-activated switches to more complex audio level monitoring.
Engineered for reliability, the module operates from a 3.5V to 5.5V DC supply, making it compatible with common 3.3V and 5V logic systems found in Arduino, Raspberry Pi, and other development platforms. The amplifier gain is configurable via a surface-mount resistor, allowing precise calibration of the digital gate’s sensitivity. Its breadboard-friendly form factor and standard pinout facilitate rapid prototyping and integration into a wide array of audio-responsive systems.
Additional Information
| Weight | 0.016 kg |
|---|---|
| Dimensions | 6 × 9 × 1 cm |













